The ninth and final season of Seinfeld, began airing on September 25, 1997, and concluded on May 14, 1998, on NBC.
9 - 1The Butter Shave Sep. 25, 1997
9 - 2The Voice Oct. 02, 1997
9 - 3The Serenity Now Oct. 09, 1997
9 - 4The Blood Oct. 16, 1997
9 - 5The Junk Mail Oct. 30, 1997
9 - 6The Merv Griffin Show Nov. 06, 1997
9 - 7The Slicer Nov. 13, 1997
9 - 8The Betrayal Nov. 20, 1997
9 - 9The Apology Dec. 11, 1997
9 - 10The Strike Dec. 18, 1997
9 - 11The Dealership Jan. 08, 1998
9 - 12The Reverse Peephole Jan. 15, 1998
9 - 13The Cartoon Jan. 29, 1998
9 - 14The Strong Box Feb. 05, 1998
9 - 15The Wizard Feb. 26, 1998
9 - 16The Burning Mar. 19, 1998
9 - 17The Bookstore Apr. 09, 1998
9 - 18The Frogger Apr. 23, 1998
9 - 19The Maid Apr. 30, 1998
9 - 20The Puerto Rican Day May. 07, 1998
9 - 21The Chronicle (Part 1) May. 14, 1998
9 - 22The Chronicle (Part 2) May. 14, 1998
9 - 23The Finale (Part 1) May. 14, 1998
9 - 24The Finale (Part 2) May. 14, 1998